diff --git a/functions/diff.go b/functions/diff.go
index 240c201..d869e71 100644
--- a/functions/diff.go
+++ b/functions/diff.go
@@ -23,6 +23,7 @@ func (ss SliceType) Diff(against SliceType) (added, removed SliceType) {
 				if s.Equals(element) {
 					ss2 = append(ss2[:i], ss2[i+1:]...)
 					found = true
+					break
 				}
 			}
 
diff --git a/pie/carpointers_pie.go b/pie/carpointers_pie.go
index f5c97ce..1a3ae88 100755
--- a/pie/carpointers_pie.go
+++ b/pie/carpointers_pie.go
@@ -103,6 +103,7 @@ func (ss carPointers) Diff(against carPointers) (added, removed carPointers) {
 				if s.Equals(element) {
 					ss2 = append(ss2[:i], ss2[i+1:]...)
 					found = true
+					break
 				}
 			}
 
diff --git a/pie/cars_pie.go b/pie/cars_pie.go
index 22f942d..4ea1869 100755
--- a/pie/cars_pie.go
+++ b/pie/cars_pie.go
@@ -103,6 +103,7 @@ func (ss cars) Diff(against cars) (added, removed cars) {
 				if s == element {
 					ss2 = append(ss2[:i], ss2[i+1:]...)
 					found = true
+					break
 				}
 			}
 
diff --git a/pie/float64s_pie.go b/pie/float64s_pie.go
index b27eac2..f4ed37a 100755
--- a/pie/float64s_pie.go
+++ b/pie/float64s_pie.go
@@ -142,6 +142,7 @@ func (ss Float64s) Diff(against Float64s) (added, removed Float64s) {
 				if s == element {
 					ss2 = append(ss2[:i], ss2[i+1:]...)
 					found = true
+					break
 				}
 			}
 
diff --git a/pie/ints_pie.go b/pie/ints_pie.go
index 13c8238..54db591 100755
--- a/pie/ints_pie.go
+++ b/pie/ints_pie.go
@@ -142,6 +142,7 @@ func (ss Ints) Diff(against Ints) (added, removed Ints) {
 				if s == element {
 					ss2 = append(ss2[:i], ss2[i+1:]...)
 					found = true
+					break
 				}
 			}
 
diff --git a/pie/strings_pie.go b/pie/strings_pie.go
index f55df35..42e9bbd 100755
--- a/pie/strings_pie.go
+++ b/pie/strings_pie.go
@@ -117,6 +117,7 @@ func (ss Strings) Diff(against Strings) (added, removed Strings) {
 				if s == element {
 					ss2 = append(ss2[:i], ss2[i+1:]...)
 					found = true
+					break
 				}
 			}
 
diff --git a/template.go b/template.go
index d7f88f5..8bf24ed 100644
--- a/template.go
+++ b/template.go
@@ -156,6 +156,7 @@ func (ss SliceType) Diff(against SliceType) (added, removed SliceType) {
 				if s.Equals(element) {
 					ss2 = append(ss2[:i], ss2[i+1:]...)
 					found = true
+					break
 				}
 			}