diff --git a/x/tokenomics/keeper/params_test.go b/x/tokenomics/keeper/params_test.go
index 668750376..1b583b481 100644
--- a/x/tokenomics/keeper/params_test.go
+++ b/x/tokenomics/keeper/params_test.go
@@ -19,6 +19,11 @@ func TestParams_ValidateMintAllocationDao(t *testing.T) {
 			mintAllocatioDao: "0",
 			expectedErr:      tokenomicstypes.ErrTokenomicsParamInvalid.Wrap("invalid parameter type: string"),
 		},
+		{
+			desc:             "invalid MintAllocationDao (<0)",
+			mintAllocatioDao: -0.1,
+			expectedErr:      tokenomicstypes.ErrTokenomicsParamInvalid.Wrapf("mint allocation to DAO must be greater than or equal to 0: got %f", -0.1),
+		},
 		{
 			desc:             "valid MintAllocationDao",
 			mintAllocatioDao: tokenomicstypes.DefaultMintAllocationDao,
@@ -48,6 +53,11 @@ func TestParams_ValidateMintAllocationProposer(t *testing.T) {
 			mintAllocatioProposer: "0",
 			expectedErr:           tokenomicstypes.ErrTokenomicsParamInvalid.Wrap("invalid parameter type: string"),
 		},
+		{
+			desc:                  "invalid MintAllocationProposer (<0)",
+			mintAllocatioProposer: -0.1,
+			expectedErr:           tokenomicstypes.ErrTokenomicsParamInvalid.Wrapf("mint allocation to proposer must be greater than or equal to 0: got %f", -0.1),
+		},
 		{
 			desc:                  "valid MintAllocationProposer",
 			mintAllocatioProposer: tokenomicstypes.DefaultMintAllocationProposer,
diff --git a/x/tokenomics/types/params.go b/x/tokenomics/types/params.go
index 5c2501f41..06923e61b 100644
--- a/x/tokenomics/types/params.go
+++ b/x/tokenomics/types/params.go
@@ -90,7 +90,7 @@ func ValidateMintAllocationProposer(mintAllocationProposer any) error {
 	}
 
 	if mintAllocationProposerFloat < 0 {
-		return ErrTokenomicsParamInvalid.Wrapf("mint allocation to Proposer must be greater than or equal to 0: got %f", mintAllocationProposerFloat)
+		return ErrTokenomicsParamInvalid.Wrapf("mint allocation to proposer must be greater than or equal to 0: got %f", mintAllocationProposerFloat)
 	}
 
 	return nil