diff --git a/_fixtures/locationsprog.go b/_fixtures/locationsprog.go
index cea5e8ce..7aca93fc 100644
--- a/_fixtures/locationsprog.go
+++ b/_fixtures/locationsprog.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"io/ioutil"
 )
 
 type SomeType struct {
@@ -32,4 +33,5 @@ func main() {
 	fmt.Printf("%s %s\n", a.String(), b.String())
 	a.SomeFunction()
 	anotherFunction()
+	ioutil.ReadFile("nonexistent.file.txt")
 }
diff --git a/service/debugger/locations.go b/service/debugger/locations.go
index f20bfb47..17227dda 100644
--- a/service/debugger/locations.go
+++ b/service/debugger/locations.go
@@ -156,10 +156,6 @@ func readRegex(in string) (rx string, rest string) {
 }
 
 func parseFuncLocationSpec(in string) *FuncLocationSpec {
-	if strings.Index(in, "/") >= 0 {
-		return nil
-	}
-
 	v := strings.Split(in, ".")
 	var spec FuncLocationSpec
 	switch len(v) {
@@ -171,6 +167,8 @@ func parseFuncLocationSpec(in string) *FuncLocationSpec {
 		r := stripReceiverDecoration(v[0])
 		if r != v[0] {
 			spec.ReceiverName = r
+		} else if strings.Index(r, "/") >= 0 {
+			spec.PackageName = r
 		} else {
 			spec.PackageOrReceiverName = r
 		}
@@ -184,6 +182,10 @@ func parseFuncLocationSpec(in string) *FuncLocationSpec {
 		return nil
 	}
 
+	if strings.Index(spec.BaseName, "/") >= 0 || strings.Index(spec.ReceiverName, "/") >= 0 {
+		return nil
+	}
+
 	return &spec
 }
 
diff --git a/service/test/integration_test.go b/service/test/integration_test.go
index 22d8caff..c38e027f 100644
--- a/service/test/integration_test.go
+++ b/service/test/integration_test.go
@@ -556,7 +556,7 @@ func findLocationHelper(t *testing.T, c service.Client, loc string, shouldErr bo
 
 func TestClientServer_FindLocations(t *testing.T) {
 	withTestClient("locationsprog", t, func(c service.Client) {
-		someFunctionCallAddr := findLocationHelper(t, c, "locationsprog.go:26", false, 1, 0)[0]
+		someFunctionCallAddr := findLocationHelper(t, c, "locationsprog.go:27", false, 1, 0)[0]
 		findLocationHelper(t, c, "anotherFunction:1", false, 1, someFunctionCallAddr)
 		findLocationHelper(t, c, "main.anotherFunction:1", false, 1, someFunctionCallAddr)
 		findLocationHelper(t, c, "anotherFunction", false, 1, someFunctionCallAddr)
@@ -567,20 +567,23 @@ func TestClientServer_FindLocations(t *testing.T) {
 		findLocationHelper(t, c, "String", true, 0, 0)
 		findLocationHelper(t, c, "main.String", true, 0, 0)
 
-		someTypeStringFuncAddr := findLocationHelper(t, c, "locationsprog.go:14", false, 1, 0)[0]
-		otherTypeStringFuncAddr := findLocationHelper(t, c, "locationsprog.go:18", false, 1, 0)[0]
+		someTypeStringFuncAddr := findLocationHelper(t, c, "locationsprog.go:15", false, 1, 0)[0]
+		otherTypeStringFuncAddr := findLocationHelper(t, c, "locationsprog.go:19", false, 1, 0)[0]
 		findLocationHelper(t, c, "SomeType.String", false, 1, someTypeStringFuncAddr)
 		findLocationHelper(t, c, "(*SomeType).String", false, 1, someTypeStringFuncAddr)
 		findLocationHelper(t, c, "main.SomeType.String", false, 1, someTypeStringFuncAddr)
 		findLocationHelper(t, c, "main.(*SomeType).String", false, 1, someTypeStringFuncAddr)
 
+		// Issue #275
+		findLocationHelper(t, c, "io/ioutil.ReadFile", false, 1, 0)
+
 		stringAddrs := findLocationHelper(t, c, "/^main.*Type.*String$/", false, 2, 0)
 
 		if otherTypeStringFuncAddr != stringAddrs[0] && otherTypeStringFuncAddr != stringAddrs[1] {
 			t.Fatalf("Wrong locations returned for \"/.*Type.*String/\", got: %v expected: %v and %v\n", stringAddrs, someTypeStringFuncAddr, otherTypeStringFuncAddr)
 		}
 
-		_, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.main", Line: 4, Tracepoint: false})
+		_, err := c.CreateBreakpoint(&api.Breakpoint{FunctionName: "main.main", Line: 3, Tracepoint: false})
 		if err != nil {
 			t.Fatalf("CreateBreakpoint(): %v\n", err)
 		}