diff --git a/apt_query.go b/apt_query.go
index 579aa75..1bc4d13 100644
--- a/apt_query.go
+++ b/apt_query.go
@@ -65,7 +65,7 @@ func getPackages(names []string) AptPackages {
 				pkg.Name = strings.TrimSpace(strings.SplitN(line, ":", 2)[1])
 			} else if strings.HasPrefix(line, "Version: ") {
 				pkg.Version = strings.TrimSpace(strings.SplitN(line, ":", 2)[1])
-			} else if strings.HasPrefix(line, "N: ") || strings.HasPrefix(line, "E: ") {
+			} else if strings.HasPrefix(line, "N: Unable to locate package ") || strings.HasPrefix(line, "E: ") {
 				if !contains(errorMessages, line) {
 					errorMessages = append(errorMessages, line)
 				}
diff --git a/apt_query_test.go b/apt_query_test.go
index e091985..a8d79bd 100644
--- a/apt_query_test.go
+++ b/apt_query_test.go
@@ -25,7 +25,7 @@ func run(t *testing.T, command string, pkgNames ...string) RunResult {
 
 func (r *RunResult) expectSuccessfulOut(expected string) {
 	if r.Err != nil {
-		r.TestContext.Errorf("Error running command: %v", r.Err)
+		r.TestContext.Errorf("Error running command: %v\n%s", r.Err, r.Stderr)
 		return
 	}
 	if r.Stderr != "" {
@@ -59,6 +59,11 @@ func TestNormalizedList_SamePackagesDifferentOrder_StdoutsMatch(t *testing.T) {
 	result.expectSuccessfulOut(expected)
 }
 
+func TestNormalizedList_MultiVersionWarning_StdoutSingleVersion(t *testing.T) {
+	var result = run(t, "normalized-list", "libosmesa6-dev", "libgl1-mesa-dev")
+	result.expectSuccessfulOut("libgl1-mesa-dev=23.0.4-0ubuntu1~23.04.1 libosmesa6-dev=23.0.4-0ubuntu1~23.04.1")
+}
+
 func TestNormalizedList_SinglePackageExists_StdoutsSinglePackageNameVersionPair(t *testing.T) {
 	var result = run(t, "normalized-list", "xdot")
 	result.expectSuccessfulOut("xdot=1.2-3")