diff --git a/syft/pkg/cataloger/apkdb/package.go b/syft/pkg/cataloger/apkdb/package.go
index 3ea189d551d..194622c0d16 100644
--- a/syft/pkg/cataloger/apkdb/package.go
+++ b/syft/pkg/cataloger/apkdb/package.go
@@ -43,7 +43,7 @@ func generateUpstream(m pkg.ApkMetadata) string {
 		}
 	}
 
-	pattern := regexp.MustCompile(`(?P<upstream>\w+?)\-?\d[\d\.]*`)
+	pattern := regexp.MustCompile(`^(?P<upstream>[\w-]+?)\-?\d[\d\.]*$`)
 	groups := internal.MatchNamedCaptureGroups(pattern, m.Package)
 
 	upstream, ok := groups["upstream"]
diff --git a/syft/pkg/cataloger/apkdb/package_test.go b/syft/pkg/cataloger/apkdb/package_test.go
index 31dc1c7ca60..8cffeabaf65 100644
--- a/syft/pkg/cataloger/apkdb/package_test.go
+++ b/syft/pkg/cataloger/apkdb/package_test.go
@@ -208,6 +208,34 @@ func Test_PackageURL(t *testing.T) {
 			},
 			expected: "pkg:apk/alpine/abc101.191.23456@101.191.23456?arch=a&upstream=abc&distro=alpine-3.4.6",
 		},
+		{
+			name: "abc101-12345-1045 upstream abc101-12345",
+			metadata: pkg.ApkMetadata{
+				Package:       "abc101-12345-1045",
+				Version:       "101.191.23456",
+				Architecture:  "a",
+				OriginPackage: "abc101-12345-1045",
+			},
+			distro: linux.Release{
+				ID:        "alpine",
+				VersionID: "3.4.6",
+			},
+			expected: "pkg:apk/alpine/abc101-12345-1045@101.191.23456?arch=a&upstream=abc101-12345&distro=alpine-3.4.6",
+		},
+		{
+			name: "abc101-a12345-1045 upstream abc101-a12345",
+			metadata: pkg.ApkMetadata{
+				Package:       "abc101-a12345-1045",
+				Version:       "101.191.23456",
+				Architecture:  "a",
+				OriginPackage: "abc101-a12345-1045",
+			},
+			distro: linux.Release{
+				ID:        "alpine",
+				VersionID: "3.4.6",
+			},
+			expected: "pkg:apk/alpine/abc101-a12345-1045@101.191.23456?arch=a&upstream=abc101-a12345&distro=alpine-3.4.6",
+		},
 	}
 
 	for _, test := range tests {